How to use 28 * 13 + 18

How to use 28 * 13 + 18

28×13+18
=30×13-2×13+18
=390-26+18
=390-8
=382

250 × 13 × 4 by simple calculation

=250x4x13
=1000x13
=13000

Simple operation: 6 * 1 / 4 + 13 / 4-18 * 0.25

6*1/4+13/4-18*0.25
=6×1/4+13×1/4-18×1/4
=（6+13-18）×1/4
=1/4

(1 / 2-1 / 3) * 3 / 4 / 25% + 1 / 2 * 50% (those that can be simplified should be simplified)

(1/2-1/3)*(3/4)/(1/4)+1/2*1/2
=(1/2-1/3)*(3/4)*4+1/4
=(1/2-1/3)*3+1/4
=1/2*3-1/3*3+1/4
=3/2-1+1/4
=3/4

How to simplify the calculation of the product of one half minus one half multiplied by three quarters? There must be a process! Simplify the calculation!

1/2-1/2*3/4
=4/8-3/8
=1/8
Hope to help you. Don't understand can ask me

Simplify the following ratios by one-third to one-half

Using the relationship between ratio and division, the solution is as follows: ∵ (1 / 3) ratio (1 / 2) is equivalent to (1 / 3) / (1 / 2) = (1 / 3) × (2 / 1) = 2 / 3, that is, 2:3

What is the simplest ratio after one-third to one-half reduction

Two to three

The ratio of integer is two-thirds, and the ratio is ()

1/2 ：1/3=1/2 ÷1/3 =1/2 ×3/1=3/2
The ratio is three-thirds, the ratio is (1.5)

Half a second: how to simplify a third of a second

1 minute = 60 seconds
Half a minute = 30 seconds
One half: one third of a second = 90:1

Two and one-third simplify the ratio and then calculate the ratio